Fifteen minutes of fame turned into four months of bitter remorse for the Chester County woman who sold the Bidens their adorable little German shepherd puppy. Linda Brown's been investigated, scorned and had her life threatened. "I thought when Joe Biden bought a puppy from me, what an honor," Brown told the Daily Local News. "Out of millions of breeders in the country, in the world, he picked me." That was December. When the story got out, Brown faced backlash from pet lovers who thought the Bidens should have opted for a shelter over a breeder to find their new...